Advances in International Computer Science

Infrared dim small target detection in complex environment is a research hotspot in optical guidance. If the infrared target is far away from the detector, its optical imaging appears as an untextured source of weakness. Noise interference makes the target indistinguishable from noise. Based on this, this paper proposes the infrared background suppression algorithm based on side suppression network, and then studies the infrared dim dim target detection technology under high signal-to-noise ratio. Firstly, the infrared background is suppressed, and then the infrared image is segmtioned to determine the infrared target. Based on the time correlation of the target motion, the single frame detection is carried out to filter the false alarm points and realize the dim dim target detection. Combined with the actual data to verify the feasibility of the detection technology, the results show that the detection rate of the technology for infrared dim small targets in complex environment reaches 96%, and the practical application effect is good.

Complex environment; Spatial background; Infrared detection; Weak target; Object detection